|
Flowseal
Metal Seat Valves - Valve Seating Torques Charts
ANSI
Class 150
Seating
and Unseating Torque Values
(All Torques are in Inch pounds)
|
Valve
Size
|
Metal
Seat ANSI Class 150 |
|
Seat
Upstream (SUS)
|
Seat
Downstream (SDS)
|
|
0-150
PSIG
|
285
PSIG
|
0-150
PSIG
|
285
PSIG
|
|
3"
|
900
|
1250
|
|
|
|
4"
|
1200
|
1550
|
|
|
|
6"
|
2500
|
3200
|
|
|
|
8"
|
3800
|
4700
|
|
|
|
10"
|
6400
|
8700
|
CONSULT
|
CONSULT
|
|
12"
|
8600
|
12800
|
FACTORY
|
FACTORY
|
|
14"
|
11200
|
15100
|
|
|
|
16"
|
17800
|
24200
|
|
|
|
18"
|
26100
|
32300
|
|
|
|
20"
|
33500
|
47600
|
|
|
|
24"
|
53000
|
71000
|
|
|
|
30"
|
80500
|
115000
|
|
|
|
36"
|
C.F.
|
C.F.
|
|
|
|
42"
|
C.F
|
C.F.
|
|
|
ANSI Class
300
|
Valve
Size
|
Metal
Seat ANSI Class 300
|
|
Seat
Upstream (SUS)
|
|
0-150
psig
|
285
psig
|
400
psig
|
500
psig
|
600
psig
|
700
psig
|
|
3"
|
900
|
1250
|
1400
|
1550
|
|
|
|
4"
|
1200
|
1550
|
1700
|
1850
|
|
|
|
6"
|
2800
|
6400
|
4300
|
5700
|
|
|
|
8"
|
4100
|
5300
|
6600
|
8100
|
|
|
|
10"
|
6800
|
9200
|
11300
|
14500
|
|
|
|
12"
|
9100
|
13500
|
17400
|
23600
|
CONSULT
|
|
14"
|
12100
|
17900
|
22600
|
29800
|
FACTORY
|
|
16"
|
19100
|
26700
|
31400
|
38800
|
|
|
|
18"
|
28700
|
37300
|
46400
|
53200
|
|
|
|
20"
|
39200
|
53400
|
65100
|
81000
|
|
|
|
24"
|
67000
|
83200
|
97600
|
109200
|
|
|
|
30"
|
112000
|
131000
|
164000
|
193000
|
|
|
Consult factory for ANSI Class 300 downstream torque values and
ANSI Class 600 torque values.
|
